Thumb mitten



FIG. 1 is a perspective view of a thumb mitten;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right-side elevational view thereof;

FIG. 5 is a left-side elevational view thereof;

FIG. 6 is a perspective view thereof wherein the thumb mitten is wrapped around a wrist and worn on a thumb; and,

FIG. 7 is a perspective view thereof wherein the thumb mitten is wrapped around the wrist but is not worn on the thumb.

The broken line showing of a decorative element in FIGS. 1-7 and the broken line showing of a hand in FIGS. 6-7 is included for the purpose of showing environmental structure and forms no part of the claimed design. The fine broken lines shown throughout the drawings in FIGS. 1-7 provide shading for the thumb mitten design. 

CLAIM The ornamental design for a thumb mitten, as shown and described. 